get geico. fifteen minutes could save you fifteen percent or more. >>> bob herbert joins us live here next. stay with us. obligations, but obligations. i need to rethink the core of my portfolio. what i really need is sleep. introducing the ishares core, building blocks for the heart of your portfolio. find out why 9 out of 10 large professional investors choose ishares for their etfs. ishares by blackrock. call 1-800-ishares for a prospectus which includes investment objectives, risks, charges and expenses. read and consider it carefully before investing. risk includes possible loss of principal. >>> as a senior u.s. diplomat, i agreed to a white house request to appear on the sunday shows to talk about the full range of national security issues of the day, which at that time were primarily and particularly the protests that were enveloping and threatening many diplomatic facilities, american diplomatic facilities around the world and iran's nuclear program. the attack on benghazi, on our facil